JP6474095B2 - 異常検出装置 - Google Patents
異常検出装置 Download PDFInfo
- Publication number
- JP6474095B2 JP6474095B2 JP2014264389A JP2014264389A JP6474095B2 JP 6474095 B2 JP6474095 B2 JP 6474095B2 JP 2014264389 A JP2014264389 A JP 2014264389A JP 2014264389 A JP2014264389 A JP 2014264389A JP 6474095 B2 JP6474095 B2 JP 6474095B2
- Authority
- JP
- Japan
- Prior art keywords
- negative pressure
- booster
- pressure sensor
- value
- intake manifold
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001514 detection method Methods 0.000 title claims description 11
- 230000005856 abnormality Effects 0.000 claims description 18
- 238000002485 combustion reaction Methods 0.000 claims description 7
- 238000013459 approach Methods 0.000 claims description 6
- 239000000446 fuel Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 230000002159 abnormal effect Effects 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000000994 depressogenic effect Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Images
Landscapes
- Braking Systems And Boosters (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Description
12 …エンジン
18 …吸気バルブ
20 …排気バルブ
36 …スロットルバルブ
44 …インマニ負圧センサ
48 …ブレーキブースタ
50 …ブレーキペダル
52 …ブースタ負圧センサ
56 …エンジンECU
Claims (1)
- 内燃機関に設けられた吸気管の圧力を検知する第1センサまたはブレーキブースタに設けられた負圧室の圧力を検知する第2センサの異常を検出する異常検出装置であって、
前記負圧室の圧力が回復している途中で前記第2センサの出力値が前記第1センサの出力値よりも真空側に近づいたとき異常を報知するようにした、異常検出装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014264389A JP6474095B2 (ja) | 2014-12-26 | 2014-12-26 | 異常検出装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014264389A JP6474095B2 (ja) | 2014-12-26 | 2014-12-26 | 異常検出装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016124321A JP2016124321A (ja) | 2016-07-11 |
JP6474095B2 true JP6474095B2 (ja) | 2019-02-27 |
Family
ID=56357382
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014264389A Active JP6474095B2 (ja) | 2014-12-26 | 2014-12-26 | 異常検出装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP6474095B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6678611B2 (ja) * | 2017-03-06 | 2020-04-08 | 日立オートモティブシステムズ株式会社 | 倍力装置の異常診断装置及び異常診断方法 |
KR102529443B1 (ko) | 2018-04-05 | 2023-05-08 | 현대자동차주식회사 | 브레이크 부스터 부압센서 정상 작동 검증 방법 및 장치 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5146302B2 (ja) * | 2008-12-22 | 2013-02-20 | トヨタ自動車株式会社 | 負圧センサ異常検出装置 |
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2014
- 2014-12-26 JP JP2014264389A patent/JP6474095B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP2016124321A (ja) | 2016-07-11 |
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